Executive Summary

A remote, unauthenticated attacker can trigger a device reload on affected Cisco IOS XE devices by sending malformed CAPWAP packets, exploiting improper handling in the Network‑Based Application Recognition (NBAR) feature. The resulting reboot causes a denial‑of‑service condition. No current CISA KEV listing.

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Authoritative CVE Metadata - CVSS Base Score: 8.6 (HIGH) - Published: 2025-09-24T18:15:36.043 - Last Modified: 2026-09-28T15:18:55.133

Original Description: A vulnerability in the Network-Based Application Recognition (NBAR) feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload, causing a denial of service (DoS) condition.

This vulnerability is due to improper handling of malformed Control and Provisioning of Wireless Access Points (CAPWAP) packets. An attacker could exploit this vulnerability by sending malformed CAPWAP packets through an affected device. A successful exploit could allow the attacker to cause the device to reload unexpectedly, resulting in a DoS condition.

"If we are facing in the right direction, all we have to do is keep on walking."

— Unknown